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Earnings Per Share (Narrative) (Details) (USD $)	3 Months Ended	9 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended
Earnings Per Share (Narrative) (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2012 Accelerated dividends in lieu of regular quarterly dividends in 2013 [Member]	Sep. 30, 2013 Stock Option Plan [Member]	Sep. 30, 2012 Stock Option Plan [Member]	Sep. 30, 2013 Stock Option Plan [Member]	Sep. 30, 2012 Stock Option Plan [Member]	Sep. 30, 2013 Restricted Stock Awards [Member]	Sep. 30, 2012 Restricted Stock Awards [Member]	Sep. 30, 2013 Restricted Stock Awards [Member]	Sep. 30, 2012 Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities, shares				13,000	123,494	63,000	111,994	8,800	51,500	8,800	51,500
Dividends declared per common share	$ 2.45	$ 9.80	$ 9.80

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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